Ocean Floor Features

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Last updated 3:02 PM on 6/6/26
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9 Terms

1
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continental shelf

a SHALLOW area of sediment near the shore. The submerged border of a continent.

<p>a SHALLOW area of sediment near the shore. The submerged border of a continent.</p>
2
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continental slope

the STEEP DROP of the seabed from the continental shelf to the abyssal zone. Connects the continental shelf to the ocean floor.

<p>the STEEP DROP of the seabed from the continental shelf to the abyssal zone. Connects the continental shelf to the ocean floor.</p>
3
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continental rise

a HILL of sediment at the base (end) of the continental slope.

<p>a HILL of sediment at the base (end) of the continental slope.</p>
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abyssal plain

the FLAT deep ocean floor. Made of thick layers of sediment.

<p>the FLAT deep ocean floor. Made of thick layers of sediment.</p>
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mid-ocean ridge

a chain of VOLCANOES on the ocean floor at a divergent boundary.

<p>a chain of VOLCANOES on the ocean floor at a divergent boundary.</p>
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trench

a deep, steep-sided CANYON in the ocean floor. The DEEPEST parts of the ocean floor with the most pressure, coldest temperatures and least number of organisms.

<p>a deep, steep-sided CANYON in the ocean floor. The DEEPEST parts of the ocean floor with the most pressure, coldest temperatures and least number of organisms.</p>
7
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ocean floor

bottom of the ocean; covered in mountains and valleys, plains and ridges just like land.

<p>bottom of the ocean; covered in mountains and valleys, plains and ridges just like land.</p>
8
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sonar

technology that uses sound waves. Scientists use this to map and "see" the ocean floor.

<p>technology that uses sound waves. Scientists use this to map and "see" the ocean floor.</p>
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sediment

small, solid pieces of material that come from rocks that settle at the bottom

<p>small, solid pieces of material that come from rocks that settle at the bottom</p>